40221144015 has 48 divisors (see below), whose sum is σ = 69771663360. Its totient is φ = 19776531840.

The previous prime is 40221144013. The next prime is 40221144031. The reversal of 40221144015 is 51044112204.

It is not a de Polignac number, because 40221144015 - 2¹ = 40221144013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40221144011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2117410 + ... + 2136320.

It is an arithmetic number, because the mean of its divisors is an integer number (1453576320).

Almost surely, 2^40221144015 is an apocalyptic number.

40221144015 is a deficient number, since it is larger than the sum of its proper divisors (29550519345).

40221144015 is a wasteful number, since it uses less digits than its factorization.

40221144015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19784 (or 19771 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 40221144015 its reverse (51044112204), we get a palindrome (91265256219).

The spelling of 40221144015 in words is "forty billion, two hundred twenty-one million, one hundred forty-four thousand, fifteen".